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88. Tobias Kaiser:
Dirichlet-regularity in arbitrary $o$-minimal structures on the field IR up to dimension 4.

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Submission: 2004, February 11.

Abstract:
In this article we show that the set of Dirichlet-regular boundary points of a bounded domain of dimension up to 4, definable in an arbitrary $o$-minimal structure on the field IR, is definable in the same structure. Moreover we give estimates for the dimension of the set of non-regular boundary points, recognizing wether the structure is polynomially bounded or not. This paper extends the results from the author's thesis, where the problem was solved for polynomially bounded $o$-minimal structures expanding the real field.

Mathematics Subject Classification (2000): 03C64, 31B15, 35J25.

Keywords and Phrases: Dirichlet-regularity, $o$-minimal structures.

Full text, 25p.: ps.gz 152k, pdf 197k.


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